On 6 May 2014 14:33, Dmitry Poletaev <poletaev-q...@yandex.ru> wrote: > Eflags for bt/bts/btr/btc instructions compute as for shift(SAR) > instructions. According to Intel A2 manual, for btx instructions zf is > unaffected under any condition, but for SAR group, when evaluate eflags, we > compute zf.
Isn't this the same bug that's fixed by Richard Henderson's patch from last month? http://patchwork.ozlabs.org/patch/337929/ thanks -- PMM